Watch List notes:

GREECE: 20 Lepta (1912) (type III) in nickel. Royal coat of arms and inscription "ΒΑΣΙΛΕΙΟΝ ΤΗΣ ΕΛΛΑΔΟΣ" on obverse. Athena standing on reverse. Inside slab by NGC "MINT ERROR AU 58 / OBV STRUCK THRU". Cert number: 6632501-020. (Hellas 145).